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/*
* Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.protocol;
import java.nio.charset.StandardCharsets;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.traccar.BaseProtocolEncoder;
import org.traccar.model.Command;
import org.traccar.Protocol;
public class GranitProtocolEncoder extends BaseProtocolEncoder {
public GranitProtocolEncoder(Protocol protocol) {
super(protocol);
}
private ByteBuf encodeCommand(String commandString) {
ByteBuf buffer = Unpooled.buffer();
buffer.writeBytes(commandString.getBytes(StandardCharsets.US_ASCII));
GranitProtocolDecoder.appendChecksum(buffer, commandString.length());
return buffer;
}
@Override
protected Object encodeCommand(Command command) {
switch (command.getType()) {
case Command.TYPE_IDENTIFICATION:
return encodeCommand("BB+IDNT");
case Command.TYPE_REBOOT_DEVICE:
return encodeCommand("BB+RESET");
case Command.TYPE_POSITION_SINGLE:
return encodeCommand("BB+RRCD");
default:
return null;
}
}
}
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